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October Weather in Harley, United Kingdom

Last updated: August 27, 2025

In October in Harley, United Kingdom, the average temperature hovers around 11°C (52°F). Expect minimums as low as -2°C (28°F) and maximums reaching up to 22°C (72°F). This month also brings 91 mm (3.6 in) of precipitation over approximately 13 days, contributing to a high average humidity of 90%. Prepare for a chilly, damp climate!

October Temperature in Harley

In October in Harley, the average temperature is 11°C (52°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -2°C (28°F). This mild climate makes Harley an ideal destination for travelers seeking a range of outdoor activities and comfortable sightseeing experiences.

October Weather in Harley: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Harley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harley, October typically has an average temperature of 11°C (52°F), with highs reaching up to 22°C (72°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec404244475359636157524543
Data source: Temperature data for Harley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Harley

In Harley in October, the precipitation amount is 91 mm (3.6 in) spread over 13 days.

October Precipitation Trends in Harley

The chart displays monthly precipitation patterns in Harley, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Harley, October typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec546573507184687560917386
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Harley

In Harley in October, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

October Average Humidity in Harley

This chart illustrates the average monthly humidity levels in Harley, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Harley is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Harley

In Harley in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Harley for better planning.

Maximum UV Index Levels in Harley for October

The chart shows the monthly maximum UV Index (UVI) for Harley in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Harley typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Harley October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Harley Compares to Other Months

Weather in Harley varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Harley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Harley, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)54 mm (2.1 inches)89%low
February Weather6°C (42°F)65 mm (2.5 inches)88%low
March Weather7°C (44°F)73 mm (2.9 inches)86%moderate
April Weather9°C (48°F)50 mm (2.0 inches)84%moderate
May Weather12°C (53°F)71 mm (2.8 inches)79%high
June Weather15°C (59°F)84 mm (3.3 inches)81%very high
July Weather17°C (63°F)68 mm (2.7 inches)78%very high
August Weather16°C (61°F)75 mm (3.0 inches)79%high
September Weather14°C (57°F)60 mm (2.3 inches)85%high
October Weather11°C (52°F)91 mm (3.6 inches)90%moderate
November Weather7°C (46°F)73 mm (2.9 inches)91%low
December Weather6°C (43°F)85 mm (3.4 inches)89%low

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